National Weather Service Forecast for: Jackson TN
Issued by: National Weather Service Memphis, TN
Updated: 3:21 am CDT Aug 20, 2026
 
Overnight

Overnight: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 73. South wind around 5 mph.
Slight Chance
T-storms
Thursday

Thursday: A 30 percent chance of showers and thunderstorms, mainly before 9am.  Mostly sunny, with a high near 94. Heat index values as high as 106. Southeast wind around 5 mph becoming west northwest in the afternoon.
Chance
Showers then
Mostly Sunny
Thursday
Night
Thursday Night: Patchy fog after 1am.  Otherwise, partly cloudy, with a low around 70. North wind around 5 mph becoming calm  in the evening.
Partly Cloudy
then Patchy
Fog
Friday

Friday: Areas of fog before 9am.  Otherwise, mostly sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
Areas Fog
then Sunny
Friday
Night
Friday Night: Patchy fog before midnight, then patchy fog after 1am.  Otherwise, mostly clear, with a low around 68. North wind around 5 mph becoming calm.
Patchy Fog

Saturday

Saturday: Areas of fog before 8am.  Otherwise, sunny, with a high near 93. Calm wind becoming north northwest around 5 mph in the afternoon.
Areas Fog
then Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 68. North wind around 5 mph becoming calm.
Mostly Clear

Sunday

Sunday: Sunny, with a high near 89. Calm wind becoming north northeast around 5 mph in the morning.
Sunny

Sunday
Night
Sunday Night: Partly cloudy, with a low around 66.
Partly Cloudy

Lo 73 °F Hi 94 °F Lo 70 °F Hi 91 °F Lo 68 °F Hi 93 °F Lo 68 °F Hi 89 °F Lo 66 °F

 

Overnight
 
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73. South wind around 5 mph.
Thursday
 
A 30 percent chance of showers and thunderstorms, mainly before 9am. Mostly sunny, with a high near 94. Heat index values as high as 106. Southeast wind around 5 mph becoming west northwest in the afternoon.
Thursday Night
 
Patchy fog after 1am. Otherwise, partly cloudy, with a low around 70. North wind around 5 mph becoming calm in the evening.
Friday
 
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 91. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
 
Patchy fog before midnight, then patchy fog after 1am. Otherwise, mostly clear, with a low around 68. North wind around 5 mph becoming calm.
Saturday
 
Areas of fog before 8am. Otherwise, sunny, with a high near 93. Calm wind becoming north northwest around 5 mph in the afternoon.
Saturday Night
 
Mostly clear, with a low around 68. North wind around 5 mph becoming calm.
Sunday
 
Sunny, with a high near 89. Calm wind becoming north northeast around 5 mph in the morning.
Sunday Night
 
Partly cloudy, with a low around 66.
Monday
 
Mostly sunny, with a high near 88.
Monday Night
 
A 30 percent chance of showers. Partly cloudy, with a low around 67.
Tuesday
 
A 30 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Tuesday Night
 
A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 68.
Wednesday
 
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 93.

 

Forecast from NOAA-NWS for Jackson TN.